EPA Deadlines Unclear for Air Standards Reviews

May 22, 2019, 1:47 PM

The EPA is aiming for March 2020 to propose whether to tighten its air quality standards for ozone and fine particulate matter, according to the agency’s spring regulatory agenda released May 22.

The agenda lists a deadline for a proposal only. It is silent on a final deadline, however, which then-Administrator Scott Pruitt set for December 2020 a year ago. Pruitt’s goal was to finish reviewing by then the 2015 air quality standards for ground-level ozone and the 2012 standards for fine airborne particles—microscopic specks of air pollutants. Both pollutants are linked with cardiac and lung disease.

The agency ...

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